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NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
JULY 2017 EXAMINATION

Course Title:  CIT853: Internet concepts and web Design                          

Credit Unit:  3

Instruction:    Answer question one and three others                                   

Time:  3hrs

 

Question One

Q1a). Describe the origin of the Internet.                               (5marks)

Q1b).  Write short note on the following concept:

Web Browser                                                    (2marks)

Web Server                                                       (2marks)

Database Server                                                (2marks)

Q1ci). Distinguish between thin client and fat client                         (6marks)

Q1cii). Outline four (4) steps involved in testing Web Application.              (4marks)

Q1d). Explain the following domains:

  1. Top-level domain
  2. International top-level domain?                      (4 marks)

 

Question Two

Q2a)    Describe the concept of XML                        (5marks)

Q2b)    List five (5) benefits of XML                         (5marks)

Q2c)    what are the First Octet and Default Subnet mask of class A,B and C IP Address?               (5marks)

 

Question Three

Q3a). Define the term Javascript and mention two types of Javascript                     (5marks)

Q3b).  Describe container tags and list three (3) examples.                (5marks)

Q3c). Discuss five file extensions used in Web Design                                   (5marks)

 

Question Four

Q4a) What is an Internet protocol and gives three examples?           (5marks)

Q4b) List and explain three concepts of Object Oriented Programming       (10marks)

Question Five

Q5a) Mention at least five network interconnecting devices.                        (5marks)

Q5b) Describe in clear terms the concept of Cascading Style Sheets (CSS)                         (7marks)

Q5c) what are three ways of inserting a style sheet                           (3marks)

 

Question Six

i. Discuss the types of eXtensible Stylesheet Language                     (7marks)

ii. Write short notes on the following:

a. XSLT StyleSheet               (2marks)

b. xsl:template                       (2marks)

c. xsl:value-of                        (2marks)

d. XPath.                               (2marks)


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